// Copyright 2008 Google Inc.
// All Rights Reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
//     * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Author: wan@google.com (Zhanyong Wan)

#include "gtest/gtest-typed-test.h"
#include "gtest/gtest.h"

namespace testing
{
	namespace internal
	{

#if GTEST_HAS_TYPED_TEST_P

		// Skips to the first non-space char in str. Returns an empty string if str
		// contains only whitespace characters.
		static const char *SkipSpaces(const char *str)
		{
			while (IsSpace(*str))
				str++;
			return str;
		}

		// Verifies that registered_tests match the test names in
		// defined_test_names_; returns registered_tests if successful, or
		// aborts the program otherwise.
		const char *TypedTestCasePState::VerifyRegisteredTestNames(
		    const char *file, int line, const char *registered_tests)
		{
			typedef ::std::set<const char *>::const_iterator DefinedTestIter;
			registered_ = true;

			// Skip initial whitespace in registered_tests since some
			// preprocessors prefix stringizied literals with whitespace.
			registered_tests = SkipSpaces(registered_tests);

			Message errors;
			::std::set<std::string> tests;
			for (const char *names = registered_tests; names != NULL;
			     names = SkipComma(names))
			{
				const std::string name = GetPrefixUntilComma(names);
				if (tests.count(name) != 0)
				{
					errors << "Test " << name << " is listed more than once.\n";
					continue;
				}

				bool found = false;
				for (DefinedTestIter it = defined_test_names_.begin();
				     it != defined_test_names_.end();
				     ++it)
				{
					if (name == *it)
					{
						found = true;
						break;
					}
				}

				if (found)
				{
					tests.insert(name);
				}
				else
				{
					errors << "No test named " << name
					       << " can be found in this test case.\n";
				}
			}

			for (DefinedTestIter it = defined_test_names_.begin();
			     it != defined_test_names_.end();
			     ++it)
			{
				if (tests.count(*it) == 0)
				{
					errors << "You forgot to list test " << *it << ".\n";
				}
			}

			const std::string &errors_str = errors.GetString();
			if (errors_str != "")
			{
				fprintf(stderr, "%s %s", FormatFileLocation(file, line).c_str(),
				        errors_str.c_str());
				fflush(stderr);
				posix::Abort();
			}

			return registered_tests;
		}

#endif  // GTEST_HAS_TYPED_TEST_P

	}  // namespace internal
}  // namespace testing
